A biomaterial derived from natural corals with surgical applications is the calcium carbonate Biocoral. Since 1992 the author has been using this material as a bone graft substitute in maxillofacial… (More)

On 27 June 1899 Rudolf Virchow (1821-1902) inaugurated the Museum of Pathology at the Charité Hospital. The collection comprised 23,500 pathologic-anatomical specimens. Most of the collection was… (More)

Considering squamous cell carcinomas (SCCs) of the oral cavity and oropharynx the molecular mechanisms underlying the infiltration and destruction of adjacent tissue as well as the metastatic spread… (More)

BACKGROUND
Despite successful closure of the hard and soft palate and intensive speech therapy a velopharyngeal insufficiency is not completely avoidable in each case of cleft palate. An improvement… (More)